Download Rolls RDB104 User's Manual

LIMITED WARRANTY
This product is warranted to the original consumer purchaser to be free from
defects in materials and workmanship under normal installation, use and service for a
period of one (1) year from the date of purchase as shown on the purchaser’s receipt.
The obligation of Rolls Corporation under this warranty shall be limited to repair
or replacement (at our option), during the warranty period of any part which proves
defective in material or workmanship under normal installation, use and service, provided
the product is returned to Rolls Corporation, TRANSPORTATION CHARGES PREPAID. Products returned to us or to an authorized Service Center must be accompanied by
a copy of the purchase receipt. In the absence of such purchase receipt, the warranty
period shall be one (1) year from the date of manufacture.
This warranty shall be invalid if the product is damaged as a result of defacement, misuse, abuse, neglect, accident, destruction or alteration of the serial number,
improper electrical voltages or currents, repair, alteration or maintenance by any person or
party other than our own service facility or an authorized Service Center, or any use
violative of instructions furnished by us.
This one-year warranty is in lieu of all expressed warranties, obligations or
liabilities. ANY IMPLIED WARRANTIES, OBLIGATIONS, OR LIABILITIES,
INCLUDING BUT NOT LIMITED TO THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, SHALL BE
LIMITED IN DURATION TO THE ONE YEAR DURATION OF THIS WRITTEN
LIMITED WARRANTY. Some states do not allow limitations on how long an implied
warranty lasts, so the above limitation may not apply to you.
IN NO EVENT SHALL WE BE LIABLE FOR ANY SPECIAL, INCIDENTAL
OR CONSEQUENTIAL DAMAGES FOR BREACH OF THIS OR ANY OTHER
WARRANTY, EXPRESSED OR IMPLIED, WHATSOEVER. Some states do not allow
the exclusion or limitation of special, incidental or consequential damages so the above
limitation or exclusion may not apply to you. This warranty gives you specific legal
rights, and you may also have other rights which vary from state to state.
RDB104
Quad Active Direct Box
CHANNEL ONE
-00
INPUT
0
LEVEL
-00
INPUT
CHANNEL THREE
-00
0
LEVEL
INPUT
0
LEVEL
CHANNEL FOUR
POWER
-00
INPUT
0
LEVEL
SPECIFICATIONS
Input Impedance:
Output Impedance:
Max. Output Level:
Gain:
Dimensions
Weight
Power
ROLLS CORPORATION
SALT LAKE CITY, UTAH
8/00
CHANNEL TWO
QUAD
ACTIVE
DIRECT BOX
RDB104
100 kΩ
100 Ω balanced
+22 dB (Pad out)
- oo to 0 dB
1.75" X 6" X 19"
(89mm X 162mm X 482mm)
6 lbs. (2.72 Kg)
120VAC (230VAC) 15VA
OWNERS MANUAL
INTRODUCTION
DESCRIPTION
Thank you for your purchase of the ROLLS RDB104 Quad Active Direct Box. The
RDB104 is an active impedance matching device with the added benefit of a
variable level control. Its four channel design is ideal for a variety of applications
including musicians, studios, and sound contractors. It is designed and manufactured carefully to provide years of long-lasting service. Please read the following
manual carefully to ensure proper operation, and enjoy your new RDB104.
FRONT PANEL
NOTE: CHANNEL ONE THROUGH FOUR DESCRIPTIONS ARE IDENTICAL.
INPUT: 1/4” unbalanced jack for connection to an unbalanced, usually line-level,
signal.
LEVEL: Varies the amount of input signal from -infinity (off) to 0 dB.
POWER LED: Indicates the RDB104 is connected toi an AC outlet and power is
applied.
POWER SWITCH: Applies power to the RDB104 when connected to an AC outlet.
INSPECTION
1. Unpack and inspect the RDB104 box and package.
If obvious physical damage is noticed, contact the carrier immediately to make a
damage claim. We suggest saving the shipping carton and packing materials for
safely transporting the unit in the future.
2. Please complete the Warranty Registration Card and return it to the factory.
Document Number:
Ba RDB104.SCH
Date: 17-Aug-2000
D 1 2
L D S G
P O W E R
3
2
LEVEL
-00
INPUT
-00
0
LEVEL
INPUT
0
-00
LEVEL
INPUT
0
LEVEL
QUAD
ACTIVE
DIRECT BOX
RDB104
REAR PANEL
NOTE: CHANNEL ONE THROUGH FOUR DESCRIPTIONS ARE IDENTICAL.
GND LIFT: Separates pin one of the XLR connector from the circuit ground.
OUTPUT: Balanced XLR jack containing the output signal. Pin 2 is “hot”.
30 dB PAD: Pressing this switch in lowers or “pads” the output signal by 30 dB.
this provides a way to connect the output of the RDB104 to a mic input on a mixer.
INPUT: 1/4” unbalanced jack (parallels the front-panel Input jack.)
CHANNEL THREE
CHANNEL FOUR
SERIAL NUMBER
CHANNEL TWO
CHANNEL ONE
104-
-30 dB
PAD
GND
LIFT
MODEL RDB104
MADE IN U.S.A.
120 VAC
50/60 Hz 15 VA
GND
LIFT
-30 dB
PAD
GND
LIFT
-30 dB
PAD
-30 dB
PAD
GND
LIFT
NRTL /C
RISQUE DE CHOC - NE PAS ENLEVER
RISK OF ELECTRIC SHOCK
WARNING: DO NOT EXPOSE THIS EQUIPMENT TO RAIN OR MOISTURE.
OUTPUT
INPUT
OUTPUT
INPUT
OUTPUT
INPUT
OUTPUT
INPUT
NO USER SERVICABLE PARTS INSIDE.
R 1 2
4 .7 K
C 2 5
4 7 U
-V
C 1
7 9 1 2
3
C 2 0
5 0 3
D 1 6
1 N 4 0 0 1
C 2 1
5 0 3
1 0 0 0 U F 1 6 V
1 0 0 0 U F 1 6 V
D 1 5
1 N 4 0 0 1
2
C 2 3
C 2 2
I U 6 O
3
O
I
1
C 1 9
5 0 3
C 1 7
5 0 3
U 4 B
5
OUTPUT
-V
D 1 4
1 N 4 0 0 1
D 1 3
1 N 4 0 0 1
1
U 4 A
P 1 0 0 K
LEVEL
P L 1
P L U G
S W
R E A R
S W 2
S P S T
A C M A L E
P H O N E 1 /4
J 1 1
T 1
M C I 4 0 7 4 0 2 4
R 4 1
1 0 K
P 4
A T T E N U A T O R
30dB
PAD
SWITCH
INPUT
3
1 0 0 K
P H O N E 1 /4
J 1 0
F R O N T
C H 4
P 3
R 3 1
1 0 K
R E A R
P H O N E 1 /4
J 8
C H 3
Output
Buffer
R 4 3
1 0 K
6
1 K
R 4 8
P 1 0 0 K
2
-V
R 4 9
U 3 A
3
2
A T T E N U A T O R
1 0 0 K
P H O N E 1 /4
J 7
F R O N T
R E A R
4 5 6 0
1
4 5 6 0
1 K
-V
R 3 9
R 3 8
P 1 0 0 K
P 2
3
R 2 1
1 0 K
P H O N E 1 /4
J 5
C H 2
P H O N E 1 /4
J 4
F R O N T
7 8 1 2
U 5
7
R 4 4
1 0 K
4 5 6 0
+V
U 3 B
5
R 3 3
1 0 K
6
5
6
1
U 2 A
1 0 0 K
P 1
A T T E N U A T O R
P 1 0 0 K
2
1 K
R 2 8
4 5 6 0
-V
R 2 9
U 1 A
3
R 1
1 0 K
R E A R
INPUT
0
+V
C 2 4
1 U
R 4 6
1 K
R 4 7
4 7
7
4 5 6 0
R 3 4
1 0 K
+V
4 5 6 0
+V
U 1 B
5
4 5 6 0
1
R 3
1 0 K
6
7
R 2 4
1 0 K
7
4 5 6 0
R 4
1 0 K
2
4
P H O N E 1 /4
J 2
4
C H 1
4
8
1 K
CHANNEL FOUR
CHANNEL THREE
BLOCK DIAGRAM
The diagram shown below represents one channel of the RDB104. All channels
are identical.
5 0 3
D P D T
S W 7 A
1
3
TITLE: RDB104 QUAD DIRECT BOX
1
S P S T
J 1 2
X L R J A C K M
S W 8
S P S T
3 0 D b P A D
R 4 5
1 K
R 3 6
1 K
R 3 7
4 7
R 3 5
1 K
R 2 6
1 K
R 2 5
1 K
R 6
1 K
R 5
1 K
R 2 7
4 7
R 7
4 7
8
A T T E N U A T O R
4
8
+V
8
R 9
G
R 8
2
1 0 0 K
1
P H O N E 1 /4
J 1
G
F R O N T
CHANNEL TWO
POWER
-00
Size
ROLLS CORPORATION
5968 South 350 West
Salt Lake City, UT 84107
G R O U N D
2
3
X L R J A C K M
S W 6
1
J 9
3
2
D P D T
S W 5 A
3
1
3 0 D b P A D
D P D T
S W 3 A
3
1
3 0 D b P A D
2
3
2
D P D T
3
G R O U N D L IF T
2
L IF T
L IF T
2
S P S T
1
J 6
S P S T
X L R J A C K M
S W 4
3
G R O U N D
G R O U N D
2
3
X L R J A C K M
S W 2
1
J 3
1
3
2
2
1
S W 1 A
2
1
1
3 0 D b P A D
2
3
1
L IF T
Rev:
Sheet: 1 of 1
SCHEMATIC
CHANNEL ONE
GROUND
LIFT
2